.nav-container-box {
  background-color: white;
}
.course-detail-nav {
  background: linear-gradient(90deg, #5782f6, #4683ff);
  height: 150px;
  width: 1200px;
  margin: 0 auto;
  padding-top: 20px;
}
.course-detail-nav > a {
  padding: 10px 20px;
  color: white;
}
.course-detail-main-container {
  width: 1160px;
  margin: 0 auto;
}
.course-detail-main-container .introdcut-container {
  border-radius: 10px 10px 0 0;
  padding: 20px;
  width: 1160px;
  background-color: white;
  margin: 0 auto;
  margin-top: -50px;
  display: flex;
}
.course-detail-main-container .introdcut-container > .intro-left {
  border-radius: 10px;
  margin-right: 30px;
}
.course-detail-main-container .introdcut-container > .intro-left > img {
  border-radius: 10px;
  width: 330px;
  height: 220px;
}
.course-detail-main-container .introdcut-container > .intro-right {
  width: 550px;
}
.course-detail-main-container .introdcut-container > .intro-right > .detail-title {
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  font-size: 30px;
  font-weight: 500;
  color: #333;
}
.course-detail-main-container .introdcut-container > .intro-right > .detail-info > .detail-info-first-line {
  padding-top: 5px;
  display: flex;
  align-items: center;
}
.course-detail-main-container .introdcut-container > .intro-right > .detail-info > .detail-info-first-line > div:nth-child(1) {
  font-size: 14px;
  color: #999;
}
.course-detail-main-container .introdcut-container > .intro-right > .detail-info > .detail-info-first-line > span:nth-child(2) {
  margin-left: 20px;
}
.course-detail-main-container .introdcut-container > .intro-right > .detail-info > .detail-info-first-line > span:nth-child(2) > img {
  width: 20px;
}
.course-detail-main-container .introdcut-container > .intro-right > .detail-info > .detail-info-first-line > span:nth-child(2) > img:hover {
  transform: scale(1.1);
}
.course-detail-main-container .introdcut-container > .intro-right > .detail-info > .detail-price-info {
  display: flex;
  flex-direction: column;
}
.course-detail-main-container .introdcut-container > .intro-right > .detail-info > .detail-price-info > .detail-price-box {
  display: flex;
  align-items: center;
}
.course-detail-main-container .introdcut-container > .intro-right > .detail-info > .detail-price-info > .detail-price-box .detail-free-font {
  color: #00cf8c;
  font-size: 26px;
  font-weight: 600;
}
.course-detail-main-container .introdcut-container > .intro-right > .detail-info > .detail-price-info > .detail-price-box .detail-new-price {
  font-size: 26px;
  font-weight: 600;
  color: #f32425;
}
.course-detail-main-container .introdcut-container > .intro-right > .detail-info > .detail-price-info > .detail-price-box .detail-old-price {
  font-weight: 500;
  color: #b7bbc4;
  font-size: 14px;
  text-decoration: line-through;
  margin: 0 10px;
}
.course-detail-main-container .introdcut-container > .intro-right > .detail-info > .detail-price-info > .detail-time-limit {
  margin-bottom: 10px;
  width: 80px;
  padding-left: 5px;
  background: linear-gradient(48deg, #fe26b8, #f7283f 23%, #fc3d3f 72%, #ff8d2a) !important;
  border-radius: 3px;
  color: #fff;
}
.course-detail-main-container .introdcut-container > .intro-right > .detail-info > .detail-btn-box > .deatil-watch-btn {
  width: 121px;
  height: 40px;
  font-size: 18px;
  border-radius: 24px;
  margin-right: 15px;
  color: #fff;
  background-color: #00cf8c;
  border-color: #00cf8c;
  text-shadow: 0 -1px 0 rgba(0, 0, 0, 0.12);
  border: none;
  box-shadow: 0 2px 0 rgba(0, 0, 0, 0.045);
}
.course-detail-main-container .introdcut-container > .intro-right > .detail-info > .detail-btn-box > .detail-add-btn {
  width: 121px;
  height: 40px;
  background: #ffe9e9;
  border-radius: 24px;
  font-size: 18px;
  font-weight: 500;
  color: #f1534b;
  border: none;
}
.course-detail-main-container .introdcut-container > .collection {
  display: flex;
  flex-direction: column;
}
.course-detail-main-container .introdcut-container > .collection > img {
  width: 18px;
  height: 18px;
}
.course-detail-main-container .introdcut-container > .collection > span {
  color: #999;
  font-size: 16px;
}
.course-detail-main-container .course-deatil-container {
  border-radius: 10px 10px 0 0;
  padding: 3z0px;
  width: 1160px;
  background-color: white;
  margin: 0 auto;
  margin-top: 30px;
}
.course-detail-main-container .course-deatil-container > .course-detail-container-nav-line {
  display: flex;
  justify-content: center;
  border-bottom: 1px solid #999;
  margin-bottom: 20px;
}
.course-detail-main-container .course-deatil-container > .course-detail-container-nav-line > div {
  color: #00cf8c;
  text-shadow: 0 0 0.25px currentColor;
  margin: 0 24px 0 0;
  padding: 12px 16px;
  cursor: pointer;
  transition: color 0.3s cubic-bezier(0.645, 0.045, 0.355, 1);
}
.course-detail-main-container .course-deatil-container > .course-description-box {
  padding: 30px;
  opacity: 0;
  animation: fadeIn 0.5s ease-in-out forwards;
}
@keyframes fadeIn {
  from {
    opacity: 0;
  }
  to {
    opacity: 1;
  }
}
.course-detail-main-container .course-content-box {
  padding: 30px;
  opacity: 0;
  animation: fadeIn 0.5s ease-in-out forwards;
}
@keyframes fadeIn {
  from {
    opacity: 0;
  }
  to {
    opacity: 1;
  }
}
.course-detail-main-container .course-content-box > .course-section {
  margin-bottom: 20px;
}
.course-detail-main-container .course-content-box > .course-section > .section-title-line {
  display: flex;
  justify-content: space-between;
}
.course-detail-main-container .course-content-box > .course-section > .section-title-line > .section-title {
  font-size: 22px;
}
.course-detail-main-container .course-content-box > .course-section > .section-title-line > .download-btn {
  color: #fff;
  height: 30px;
  line-height: 27px;
  width: 80px;
  text-align: center;
  display: block;
  font-size: 14px;
  background-color: #2db7f5;
}
.course-detail-main-container .course-content-box > .course-section > .section-item-list > .section-item {
  height: 50px;
  line-height: 30px;
  padding: 10px 20px;
  background: #f2f2f2;
  margin: 10px 0;
  display: flex;
  justify-content: space-between;
}
.course-detail-main-container .course-content-box > .course-section > .section-item-list > .section-item > .section-item-title {
  overflow: hidden;
  text-overflow: ellipsis;
  line-height: 30px;
  font-size: 14px;
}
.course-detail-main-container .course-content-box > .course-section > .section-item-list > .section-item > .section-item-title:hover {
  color: #00cf8c;
  cursor: pointer;
}
.course-detail-main-container .course-content-box > .course-section > .section-item-list > .section-item > .section-item-action > img {
  width: 26px;
}
.course-detail-main-container .course-content-box > .course-section > .section-item-list > .section-item > .section-item-action:hover {
  color: #00cf8c;
}
.course-remark-box {
  width: 1160px;
  margin: 0 auto;
  padding: 30px;
  background-color: white;
}
.course-remark-box .remark-box-header > span:nth-child(1) {
  padding: 10px;
}
.course-remark-box .remark-box-header .remark-textarea {
  padding: 10px;
}
.course-remark-box .remark-box-header .remark-textarea > textarea {
  width: 1080px;
  height: 135px;
  resize: none;
  padding: 10px;
  border-color: #999;
}
.course-remark-box .remark-box-header .remark-textarea > textarea::placeholder {
  color: #999;
  font-size: 14px;
}
.course-remark-box .remark-box-header .remark-textarea > textarea:focus {
  outline: none;
  border-color: #00cf8c;
  box-shadow: 0 0 0 2px rgba(0, 207, 140, 0.2);
}
.course-remark-box .remark-box-header .remark-btn {
  display: flex;
  flex-direction: row-reverse;
}
.course-remark-box .remark-box-header .remark-btn button {
  height: 32px;
  padding: 0 15px;
  font-size: 14px;
  margin-right: 15px;
  color: #fff;
  background-color: #00cf8c;
  border-color: #00cf8c;
  text-shadow: 0 -1px 0 rgba(0, 0, 0, 0.12);
  border: none;
  box-shadow: 0 2px 0 rgba(0, 0, 0, 0.045);
}
.remark-box-main > .remark-list > .remark-list-item {
  padding-top: 20px;
  padding-bottom: 20px;
  border-bottom: #e8e8e8 1px solid;
}
.remark-box-main > .remark-list > .remark-list-item > .remark-list-item-title {
  display: flex;
  justify-content: space-between;
}
.remark-box-main > .remark-list > .remark-list-item > .remark-list-item-title .remark-list-item-title-left img {
  margin: 0 10px 0 20px;
}
.remark-box-main > .remark-list > .remark-list-item > .remark-list-item-content {
  color: rgba(0, 0, 0, 0.65);
  font-size: 14px;
  font-variant: tabular-nums;
  line-height: 1.5;
  list-style: none;
  padding: 10px 0 10px 40px;
}
.remark-box-main > .remark-list > .remark-list-item > .remark-list-item-footer {
  display: flex;
  flex-direction: row-reverse;
  overflow: hidden;
}
.remark-box-main > .remark-list > .remark-list-item > .remark-list-item-footer span:nth-child(1) {
  padding: 0 10px 0 0;
  color: #999;
}
.remark-box-main > .remark-list > .remark-list-item > .remark-list-item-footer span:nth-child(2) {
  color: #777;
}
.remark-box-main > .remark-list > .remark-list-item > .remark-list-item-footer span:nth-child(2):hover {
  color: #00cf8c;
  cursor: pointer;
}
.remark-box-star {
  padding: 10px;
}
.remark-box-star > img {
  width: 20px;
}
